Add a final makeup gain, trying to set the level straight at +0 LU (more or less...

[nageru] / mainwindow.cpp

diff --git a/mainwindow.cpp b/mainwindow.cpp
index 8cd0abdb2a9412dbc0fb7915341712be445ad7ce..01d9de143569ac57a45d17f9065bff2b41239cea 100644 (file)
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -114,6 +114,10 @@ void MainWindow::mixer_created(Mixer *mixer)
        connect(ui->gainstaging_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
                global_mixer->set_gain_staging_auto(state == Qt::Checked);
        });
+       connect(ui->makeup_gain_knob, &QAbstractSlider::sliderMoved, this, &MainWindow::final_makeup_gain_knob_changed);
+       connect(ui->makeup_gain_auto_checkbox, &QCheckBox::stateChanged, [this](int state){
+               global_mixer->set_final_makeup_gain_auto(state == Qt::Checked);
+       });
 
        connect(ui->limiter_threshold_knob, &QDial::valueChanged, this, &MainWindow::limiter_threshold_knob_changed);
        connect(ui->compressor_threshold_knob, &QDial::valueChanged, this, &MainWindow::compressor_threshold_knob_changed);
@@ -124,7 +128,7 @@ void MainWindow::mixer_created(Mixer *mixer)
                global_mixer->set_compressor_enabled(state == Qt::Checked);
        });
        connect(ui->reset_meters_button, &QPushButton::clicked, this, &MainWindow::reset_meters_button_clicked);
-       mixer->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6));
+       mixer->set_audio_level_callback(bind(&MainWindow::audio_level_callback, this, _1, _2, _3, _4, _5, _6, _7));
 }
 
 void MainWindow::mixer_shutting_down()
@@ -156,6 +160,16 @@ void MainWindow::gain_staging_knob_changed(int value)
        // The label will be updated by the audio level callback.
 }
 
+void MainWindow::final_makeup_gain_knob_changed(int value)
+{
+       ui->makeup_gain_auto_checkbox->setCheckState(Qt::Unchecked);
+
+       float gain_db = value * 0.1f;
+       global_mixer->set_final_makeup_gain_db(gain_db);
+
+       // The label will be updated by the audio level callback.
+}
+
 void MainWindow::cutoff_knob_changed(int value)
 {
        float octaves = value * 0.1f;
@@ -194,7 +208,7 @@ void MainWindow::reset_meters_button_clicked()
        ui->peak_display->setStyleSheet("");
 }
 
-void MainWindow::audio_level_callback(float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs, float gain_staging_db)
+void MainWindow::audio_level_callback(float level_lufs, float peak_db, float global_level_lufs, float range_low_lufs, float range_high_lufs, float gain_staging_db, float final_makeup_gain_db)
 {
        timeval now;
        gettimeofday(&now, nullptr);
@@ -224,6 +238,10 @@ void MainWindow::audio_level_callback(float level_lufs, float peak_db, float glo
                ui->gainstaging_knob->setValue(lrintf(gain_staging_db * 10.0f));
                snprintf(buf, sizeof(buf), "%+.1f dB", gain_staging_db);
                ui->gainstaging_db_display->setText(buf);
+
+               ui->makeup_gain_knob->setValue(lrintf(final_makeup_gain_db * 10.0f));
+               snprintf(buf, sizeof(buf), "%+.1f dB", final_makeup_gain_db);
+               ui->makeup_gain_db_display->setText(buf);
        });
 }